Product Features: The product consists of the machine of the watch. You can easily replace the product with the existing machine on the watch. Although the mechanism is compatible with all battery-operated watches, the responsibility for replacing it is entirely yours! THE PRODUCT IS A CLOCK MECHANISM PRODUCT FEATURES Pendulum Clock Mechanism Hour Hand: 8 cm Minute Hand: 11 cm Seconds: 8 cm Shaft Length: 18 mm Brass Screw Length: 11 mm